Home / 14,864.63-20,510.30-8,813.75

Finding the Fourth Proportional to 14,864.63, 20,510.30 and 8,813.75

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Solution

The fourth proportional to 14,864.63, 20,510.30 and 8,813.75 is: 12,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.63 : 20,510.30 = 8,813.75 : x
  2. Step 2: Convert to fraction form
    14,864.63/20,510.30 = 8,813.75/x
  3. Step 3: Cross multiply
    14,864.63x = 20,510.30 × 8,813.75
  4. Step 4: Simplify right side
    14,864.63x = 180,772,641.90
  5. Step 5: Solve for x
    x = 180,772,641.90/14,864.63
  6. Step 6: Final answer
    x = 12,161.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.